Submersible pump



FIG. 1 is a perspective view of a submersible pump showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a right end view thereof; and,

FIG. 7 is a left end view thereof. 

The ornamental design for a submersible pump, as shown and described. 